"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : 账号命名规则检查
Create At   : 2022/3/7
Owner       : @daiguatutu
Description :
    1.设置参数并重启数据库enableSeparationOfDuty=on
    gs_guc set -N all -I all -c enableSeparationOfDuty=on;
    gs_om -t restart
    2.创建命名不符合长度要求的用户
    用户名命名方式：长度小于6,长度大于64
    drop user if exists [自定义用户] cascade;
    create user [自定义用户] password '[自定义用户密码]' ;
    3.创建不同命名方式的的用户
    用户名命名方式：以数字开头,含特殊字符,含攻击脚本
    create user [自定义用户] password '[自定义用户密码]' ;
    4.清理环境
    drop user if exists [自定义用户] cascade;
    gs_guc set -N all -I all -c enableSeparationOfDuty=off;
    gs_om -t restart
Expect      :
    1.成功
    2.成功
    3.成功
    4.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_node = Node(node='PrimaryDbUser')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.user_except = {'u': f'{self.constant.CREATE_ROLE_SUCCESS_MSG}',
                            'user1user1user1user1user1user1user1user1user1use'
                            'r1user1user1user1user1': 'will be truncated to'}
        self.user2 = ['987user1',
                      'u**ser1&&use><1use1u# ser1@ser1user1',
                      '&lt;script>;alert(xss)&lt;/script> ser1use']
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=on; ' \
               'expect:成功-----'
        self.log.info(text)
        mod_msg = self.pri_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            'enableSeparationOfDuty=on')
        self.assertTrue(mod_msg, '执行失败:' + text)
        result = self.pri_sh.restart_db_cluster()
        self.assertTrue(result, '执行失败' + text)

        text = f'-----step2：创建命名不符合长度要求的用户 expect:成功-----'
        self.log.info(text)
        for user, expect in self.user_except.items():
            create_cmd = f"drop user if exists {user} cascade; " \
                f"create user {user} " \
                f"password '{macro.GAUSSDB_INIT_USER_PASSWD}' ; "
            msg = self.pri_sh.execut_db_sql(create_cmd)
            self.log.info(msg)
            self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                          '执行失败:' + text)
            self.assertIn(expect, msg, '执行失败:' + text)

        text = f'-----step3：创建不同命名方式的的用户(数字开头,含特殊字符,含攻击脚本) expect:成功-----'
        self.log.info(text)
        for user in self.user2:
            create_cmd = f'create user "{user}" ' \
                f'password "{macro.GAUSSDB_INIT_USER_PASSWD}" ; '
            cmd = f"source {macro.DB_ENV_PATH};" \
                f"gsql -d {self.pri_node.db_name} " \
                f"-p {self.pri_node.db_port} -c '{create_cmd}';"
            self.log.info(cmd)
            msg = self.pri_node.sh(cmd).result()
            self.log.info(msg)
            self.assertIn('ERROR:  invalid name', msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step4：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_msg = []
        for user in self.user_except.keys():
            drop_cmd = f"drop user if exists {user} cascade; "
            msg = self.pri_sh.execut_db_sql(drop_cmd)
            self.log.info(msg)
            drop_msg.append(msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值并重启数据库 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg[0],
                      '执行失败:' + text1)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg[1],
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
